--- /dev/null
+#!/bin/bash
+#
+# Copyright (C) 2020 Western Digital Corporation or its affiliates.
+#
+# This file is released under the GPL.
+#
+# Run t/zbd/test-zbd-support script against a variety of conventional,
+# zoned and mixed zone configurations.
+#
+
+usage()
+{
+ echo "This script runs the tests from t/zbd/test-zbd-support script"
+ echo "against a nullb device in a variety of conventional and zoned"
+ echo "configurations."
+ echo "Usage: ${0} [OPTIONS]"
+ echo "Options:"
+ echo -e "\t-h Show this message."
+ echo -e "\t-L List the device layouts for every section without running"
+ echo -e "\t tests."
+ echo -e "\t-s <#section> Only run the section with the given number."
+ echo -e "\t-l Use libzbc ioengine to run the tests."
+ echo -e "\t-o <max_open_zones> Specify MaxOpen value, (${set_max_open} by default)."
+ echo -e "\t-n <#number of runs> Set the number of times to run the entire suite "
+ echo -e "\t or an individual section/test."
+ echo -e "\t-r Remove the /dev/nullb0 device that may still exist after"
+ echo -e "\t running this script."
+ exit 1
+}
+
+cleanup_nullb()
+{
+ for d in /sys/kernel/config/nullb/*; do [ -d "$d" ] && rmdir "$d"; done
+ modprobe -r null_blk
+ modprobe null_blk nr_devices=0 || exit $?
+ for d in /sys/kernel/config/nullb/*; do
+ [ -d "$d" ] && rmdir "$d"
+ done
+ modprobe -r null_blk
+ [ -e /sys/module/null_blk ] && exit $?
+}
+
+create_nullb()
+{
+ modprobe null_blk nr_devices=0 &&
+ cd /sys/kernel/config/nullb &&
+ mkdir nullb0 &&
+ cd nullb0 || return $?
+}
+
+configure_nullb()
+{
+ echo 0 > completion_nsec &&
+ echo ${dev_blocksize} > blocksize &&
+ echo ${dev_size} > size &&
+ echo 1 > memory_backed || return $?
+
+ if ((conv_pcnt < 100)); then
+ echo 1 > zoned &&
+ echo "${zone_size}" > zone_size || return $?
+
+ if ((zone_capacity < zone_size)); then
+ if ((!zcap_supported)); then
+ echo "null_blk does not support zone capacity"
+ return 2
+ fi
+ echo "${zone_capacity}" > zone_capacity
+ fi
+ if ((conv_pcnt)); then
+ if ((!conv_supported)); then
+ echo "null_blk does not support conventional zones"
+ return 2
+ fi
+ nr_conv=$((dev_size/zone_size*conv_pcnt/100))
+ echo "${nr_conv}" > zone_nr_conv
+ fi
+ fi
+
+ echo 1 > power || return $?
+ return 0
+}
+
+show_nullb_config()
+{
+ if ((conv_pcnt < 100)); then
+ echo " $(printf "Zoned Device, %d%% Conventional Zones (%d)" \
+ ${conv_pcnt} ${nr_conv})"
+ echo " $(printf "Zone Size: %d MB" ${zone_size})"
+ echo " $(printf "Zone Capacity: %d MB" ${zone_capacity})"
+ if ((max_open)); then
+ echo " $(printf "Max Open: %d Zones" ${max_open})"
+ else
+ echo " Max Open: Unlimited Zones"
+ fi
+ else
+ echo " Non-zoned Device"
+ fi
+}
+
+#
+# Test sections.
+#
+# Fully conventional device.
+section1()
+{
+ conv_pcnt=100
+ max_open=0
+}
+
+# Zoned device with no conventional zones, ZCAP == ZSIZE, unlimited MaxOpen.
+section2()
+{
+ conv_pcnt=0
+ zone_size=1
+ zone_capacity=1
+ max_open=0
+}
+
+# Zoned device with no conventional zones, ZCAP < ZSIZE, unlimited MaxOpen.
+section3()
+{
+ conv_pcnt=0
+ zone_size=4
+ zone_capacity=3
+ max_open=0
+}
+
+# Zoned device with mostly sequential zones, ZCAP == ZSIZE, unlimited MaxOpen.
+section4()
+{
+ conv_pcnt=10
+ zone_size=1
+ zone_capacity=1
+ max_open=0
+}
+
+# Zoned device with mostly sequential zones, ZCAP < ZSIZE, unlimited MaxOpen.
+section5()
+{
+ conv_pcnt=10
+ zone_size=4
+ zone_capacity=3
+ max_open=0
+}
+
+# Zoned device with mostly conventional zones, ZCAP == ZSIZE, unlimited MaxOpen.
+section6()
+{
+ conv_pcnt=66
+ zone_size=1
+ zone_capacity=1
+ max_open=0
+}
+
+# Zoned device with mostly conventional zones, ZCAP < ZSIZE, unlimited MaxOpen.
+section7()
+{
+ dev_size=2048
+ conv_pcnt=66
+ zone_size=4
+ zone_capacity=3
+ max_open=0
+}
+
+# Zoned device with no conventional zones, ZCAP == ZSIZE, limited MaxOpen.
+section8()
+{
+ dev_size=1024
+ conv_pcnt=0
+ zone_size=1
+ zone_capacity=1
+ max_open=${set_max_open}
+ zbd_test_opts+=("-o ${max_open}")
+}
+
+# Zoned device with no conventional zones, ZCAP < ZSIZE, limited MaxOpen.
+section9()
+{
+ conv_pcnt=0
+ zone_size=4
+ zone_capacity=3
+ max_open=${set_max_open}
+ zbd_test_opts+=("-o ${max_open}")
+}
+
+# Zoned device with mostly sequential zones, ZCAP == ZSIZE, limited MaxOpen.
+section10()
+{
+ conv_pcnt=10
+ zone_size=1
+ zone_capacity=1
+ max_open=${set_max_open}
+ zbd_test_opts+=("-o ${max_open}")
+}
+
+# Zoned device with mostly sequential zones, ZCAP < ZSIZE, limited MaxOpen.
+section11()
+{
+ conv_pcnt=10
+ zone_size=4
+ zone_capacity=3
+ max_open=${set_max_open}
+ zbd_test_opts+=("-o ${max_open}")
+}
+
+# Zoned device with mostly conventional zones, ZCAP == ZSIZE, limited MaxOpen.
+section12()
+{
+ conv_pcnt=66
+ zone_size=1
+ zone_capacity=1
+ max_open=${set_max_open}
+ zbd_test_opts+=("-o ${max_open}")
+}
+
+# Zoned device with mostly conventional zones, ZCAP < ZSIZE, limited MaxOpen.
+section13()
+{
+ dev_size=2048
+ conv_pcnt=66
+ zone_size=4
+ zone_capacity=3
+ max_open=${set_max_open}
+ zbd_test_opts+=("-o ${max_open}")
+}
+
+#
+# Entry point.
+#
+SECONDS=0
+scriptdir="$(cd "$(dirname "$0")" && pwd)"
+sections=()
+zcap_supported=1
+conv_supported=1
+list_only=0
+dev_size=1024
+dev_blocksize=4096
+set_max_open=8
+zbd_test_opts=()
+libzbc=0
+num_of_runs=1
+
+while (($#)); do
+ case "$1" in
+ -s) sections+=("$2"); shift; shift;;
+ -o) set_max_open="${2}"; shift; shift;;
+ -L) list_only=1; shift;;
+ -r) cleanup_nullb; exit 0;;
+ -l) libzbc=1; shift;;
+ -n) num_of_runs="${2}"; shift; shift;;
+ -h) usage; break;;
+ --) shift; break;;
+ *) usage; exit 1;;
+ esac
+done
+
+if [ "${#sections[@]}" = 0 ]; then
+ readarray -t sections < <(declare -F | grep "section[0-9]*" | tr -c -d "[:digit:]\n" | sort -n)
+fi
+
+cleanup_nullb
+
+#
+# Test creating null_blk device and check if newer features are supported
+#
+if ! eval "create_nullb"; then
+ echo "can't create nullb"
+ exit 1
+fi
+if ! cat /sys/kernel/config/nullb/features | grep -q zone_capacity; then
+ zcap_supported=0
+fi
+if ! cat /sys/kernel/config/nullb/features | grep -q zone_nr_conv; then
+ conv_supported=0
+fi
+
+rc=0
+test_rc=0
+intr=0
+run_nr=1
+trap 'kill ${zbd_test_pid}; intr=1' SIGINT
+
+while ((run_nr <= $num_of_runs)); do
+ echo -e "\nRun #$run_nr:"
+ for section_number in "${sections[@]}"; do
+ cleanup_nullb
+ echo "---------- Section $(printf "%02d" $section_number) ----------"
+ if ! eval "create_nullb"; then
+ echo "error creating nullb"
+ exit 1
+ fi
+ zbd_test_opts=()
+ section$section_number
+ configure_nullb
+ rc=$?
+ ((rc == 2)) && continue
+ if ((rc)); then
+ echo "can't set up nullb for section $(printf "%02d" $section_number)"
+ exit 1
+ fi
+ show_nullb_config
+ if ((libzbc)); then
+ if ((zone_capacity < zone_size)); then
+ echo "libzbc doesn't support zone capacity, skipping section $(printf "%02d" $section_number)"
+ continue
+ fi
+ if ((conv_pcnt == 100)); then
+ echo "libzbc only supports zoned devices, skipping section $(printf "%02d" $section_number)"
+ continue
+ fi
+ zbd_test_opts+=("-l")
+ fi
+ cd "${scriptdir}"
+ ((intr)) && exit 1
+ ((list_only)) && continue
+
+ ./test-zbd-support ${zbd_test_opts[@]} /dev/nullb0 &
+ zbd_test_pid=$!
+ if kill -0 "${zbd_test_pid}"; then
+ wait "${zbd_test_pid}"
+ test_rc=$?
+ else
+ echo "can't run ZBD tests"
+ exit 1
+ fi
+ ((intr)) && exit 1
+ (($test_rc)) && rc=1
+ done
+
+ run_nr=$((run_nr + 1))
+done
+
+if ((!list_only)); then
+ echo "--------------------------------"
+ echo "Total run time: $(TZ=UTC0 printf "%(%H:%M:%S)T\n" $(( SECONDS )) )"
+fi
+
+exit $rc
+++ /dev/null
-#!/bin/bash
-#
-# Copyright (C) 2018 Western Digital Corporation or its affiliates.
-#
-# This file is released under the GPL.
-
-scriptdir="$(cd "$(dirname "$0")" && pwd)"
-
-zone_size=1
-zone_capacity=1
-if [[ ${1} == "-h" ]]; then
- echo "Usage: ${0} [OPTIONS]"
- echo "Options:"
- echo -e "\t-h Show this message."
- echo -e "\t-zone-cap Use null blk with zone capacity less than zone size."
- echo -e "\tany option supported by test-zbd-support script."
- exit 1
-elif [[ ${1} == "-zone-cap" ]]; then
- zone_size=4
- zone_capacity=3
- shift
-fi
-
-for d in /sys/kernel/config/nullb/*; do [ -d "$d" ] && rmdir "$d"; done
-modprobe -r null_blk
-modprobe null_blk nr_devices=0 || exit $?
-for d in /sys/kernel/config/nullb/*; do
- [ -d "$d" ] && rmdir "$d"
-done
-modprobe -r null_blk
-[ -e /sys/module/null_blk ] && exit $?
-modprobe null_blk nr_devices=0 &&
- cd /sys/kernel/config/nullb &&
- mkdir nullb0 &&
- cd nullb0 || exit $?
-
-if ((zone_capacity < zone_size)); then
- if [[ ! -w zone_capacity ]]; then
- echo "null blk does not support zone capacity"
- exit 1
- fi
- echo "${zone_capacity}" > zone_capacity
-fi
-
-echo 1 > zoned &&
- echo "${zone_size}" > zone_size &&
- echo 0 > completion_nsec &&
- echo 4096 > blocksize &&
- echo 1024 > size &&
- echo 1 > memory_backed &&
- echo 1 > power || exit $?
-
-"${scriptdir}"/test-zbd-support "$@" /dev/nullb0
projects / fio.git / commitdiff